/*
 * Copyright 2002-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
package org.springframework.security.concurrent;

import static org.mockito.Matchers.eq;
import static org.powermock.api.mockito.PowerMockito.doReturn;
import static org.powermock.api.mockito.PowerMockito.spy;

import java.util.concurrent.Callable;

import org.junit.After;
import org.junit.Before;
import org.junit.runner.RunWith;
import org.mockito.ArgumentCaptor;
import org.mockito.Captor;
import org.mockito.Mock;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.security.core.context.SecurityContextHolder;

/**
 * Abstract base class for testing classes that extend {@link AbstractDelegatingSecurityContextSupport}
 *
 * @author Rob Winch
 * @since 3.2
 *
 */
@RunWith(PowerMockRunner.class)
@PrepareForTest({ DelegatingSecurityContextRunnable.class, DelegatingSecurityContextCallable.class })
public abstract class AbstractDelegatingSecurityContextTestSupport {
    @Mock
    protected SecurityContext securityContext;

    @Mock
    protected SecurityContext currentSecurityContext;

    @Captor
    protected ArgumentCaptor<SecurityContext> securityContextCaptor;

    @Mock
    protected Callable<Object> callable;

    @Mock
    protected Callable<Object> wrappedCallable;

    @Mock
    protected Runnable runnable;

    @Mock
    protected Runnable wrappedRunnable;

    public final void explicitSecurityContextPowermockSetup() throws Exception {
        spy(DelegatingSecurityContextCallable.class);
        doReturn(wrappedCallable).when(DelegatingSecurityContextCallable.class, "create", eq(callable),
                securityContextCaptor.capture());
        spy(DelegatingSecurityContextRunnable.class);
        doReturn(wrappedRunnable).when(DelegatingSecurityContextRunnable.class, "create", eq(runnable),
                securityContextCaptor.capture());
    }

    public final void currentSecurityContextPowermockSetup() throws Exception {
        spy(DelegatingSecurityContextCallable.class);
        doReturn(wrappedCallable).when(DelegatingSecurityContextCallable.class, "create", callable, null);
        spy(DelegatingSecurityContextRunnable.class);
        doReturn(wrappedRunnable).when(DelegatingSecurityContextRunnable.class, "create", runnable, null);
    }

    @Before
    public final void setContext() {
        SecurityContextHolder.setContext(currentSecurityContext);
    }

    @After
    public final void clearContext() {
        SecurityContextHolder.clearContext();
    }
}
